Journal of Nutrition Explorations
Vol. 4 No. 2 (2026): May

Risk-Stratified Anemia Prevention among Adolescent Girls: Hemoglobin, Ferritin, and Supplement Adherence

Ruwiah (Faculty of Public Health, Halu Oleo University, Kendari, Indonesia)
Suhadi (Department of Health Policy Administration, Faculty of Public Health, Halu Oleo University, Kendari, Indonesia)
Fithria (Faculty of Public Health, Halu Oleo University, Kendari, Indonesia)



Article Info

Publish Date
30 May 2026

Abstract

Uniform school-based anemia programs may not adequately address differences in iron status, menstrual blood loss, diet, adherence barriers, and social support. This study evaluated a risk-stratified, multicomponent anemia prevention program among adolescent girls. In this parallel-group randomized controlled trial, 80 girls at SMP Negeri 6 Kendari City were classified as being at low, moderate, or high risk based on hemoglobin, ferritin, C-reactive protein, menstrual bleeding, dietary, adherence, nutritional, and social-support indicators, and were allocated 1:1 to the intervention or routine-services group. Intervention intensity increased according to risk level through education, reminders, counseling, supervised supplementation, support, and referral. Seventy-six participants completed the week-12 assessment, while all 80 were retained in the intention-to-treat analysis. Baseline anemia prevalence was 37.5% in each group. At week 12, adjusted hemoglobin was 0.40 g/dL higher in the intervention group (95% CI 0.12–0.68; Holm-adjusted p=0.010), and the adjusted ferritin geometric mean ratio was 1.28 (95% CI 1.08–1.52; Holm-adjusted p=0.010). Adherence of at least 80% was achieved by 82.5% of participants in the intervention group and 50.0% of controls (RR 1.65; 95% CI 1.17–2.32; p=0.004). Reductions in anemia (RR 0.50; p=0.118) and iron deficiency (RR 0.54; p=0.130) were not statistically significant. The program was associated with improved biomarkers and substantially higher adherence, but evidence of a reduction in anemia prevalence remained inconclusive. Multicenter trials with longer follow-up and economic evaluation are warranted.

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Journal Info

Abbrev

jone

Publisher

Subject

Description

Journal of Nutrition Explorations, called JoNE is published by Department of Nutrition, Poltekkes Kemenkes Surabaya, Indonesia. This journal is widely exploring nutrition, dietetic, clinical, infection, food technology, food services, communities, environment-related nutrition, and health. JoNE is ...